/ Enterprise MCP Gateway

Hybrid vs Self-Hosted: Same Governance, Different Boundary

Governance shouldn't change when your deployment does.

This guide shows how hybrid and self-hosted deployments keep the same control model while the runtime boundary moves to match your trust requirements.

12 chapters · ~4 min read

01

Same Governance, Different Boundary

Hybrid and self-hosted modes differ by trust boundary, not by governance intent.

Same Governance Different Boundary

Why it mattersTeams can reason about deployment without relearning the control model.

02

Same Governance Kit

Identity, policy, credentials, sessions, and audit remain the core kit.

Same Governance Kit

Why it mattersThe same primitives should govern agent access wherever the gateway runs.

03

Hybrid Runtime Customer-Side

Managed admin and registry metadata can sit apart from the customer-side data plane.

Hybrid Runtime Customer Side

Why it mattersHybrid mode can keep private payloads inside the customer boundary while still enabling managed coordination.

04

Private Traffic Stays Inside

Private servers and connector paths stay inside the customer runtime boundary.

Private Traffic Stays Inside

Why it mattersA credible gateway story does not require exposing private MCP or API endpoints publicly.

05

Cached Policy During Bounded Outage

Cached policy can keep enforcement bounded until an expiry limit.

Cached Policy During Bounded Outage

Why it mattersCustomers need clear behavior when connectivity is degraded: enforce, expire, and fail closed.

06

Self-Hosted Everything Inside

In self-hosted mode, control plane, data plane, registry, policy, and audit all live inside the customer boundary.

Self Hosted Everything Inside

Why it mattersSome customers need operational ownership more than managed convenience.

07

Customer-Owned Substrate

Self-hosted deployment can attach to customer-owned Postgres, cache, IdP, secrets, and SIEM systems.

Customer Owned Substrate

Why it mattersEnterprise adoption often depends on fitting into existing platform responsibilities.

08

No Outbound Runtime Dependency

Normal operation can stay local, with telemetry and export under customer control.

No Outbound Runtime Dependency

Why it mattersTrust-boundary decisions are often about runtime dependency, not only data location.

09

The Call Still Gets Governed

Calls still authenticate, evaluate policy, broker credentials, route privately, and emit audit evidence.

The Call Still Gets Governed

Why it mattersDeployment mode should not weaken the runtime governance path.

10

API Adapter Stays Bounded

The adapter still exposes selected operations through local checks and upstream status receipts.

API Adapter Stays Bounded

Why it mattersAPI-to-MCP conversion remains bounded even when the gateway is deployed differently.

11

Sessions And Revocation Match

Session ID, affinity, drain, revoke, and audit behavior should match across modes.

Sessions And Revocation Match

Why it mattersOperators need predictable controls when they move from pilot to production.

12

Choose By Trust Boundary

The deployment decision starts with the customer boundary map.

Choose By Trust Boundary

Why it mattersHybrid and self-hosted are choices about ownership, dependency, and risk appetite.

Deployment model

Prove governed MCP inside your trust boundary

We are looking for teams who want to prove governed MCP inside their real trust boundary.

The first pilot should choose the boundary deliberately: hybrid where managed coordination helps, self-hosted where customer ownership is required. Then connect one server, run one policy test, and inspect one audit proof.

The goal is not to debate deployment in abstract. It is to test the boundary with a real workflow.

Discuss your deployment
Prove governed MCP inside your trust boundary